Home / 629,857,639.80-945,258,851.70-322,991,796.60

Finding the Fourth Proportional to 629,857,639.80, 945,258,851.70 and 322,991,796.60

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Solution

The fourth proportional to 629,857,639.80, 945,258,851.70 and 322,991,796.60 is: 484,729,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,639.80 : 945,258,851.70 = 322,991,796.60 : x
  2. Step 2: Convert to fraction form
    629,857,639.80/945,258,851.70 = 322,991,796.60/x
  3. Step 3: Cross multiply
    629,857,639.80x = 945,258,851.70 × 322,991,796.60
  4. Step 4: Simplify right side
    629,857,639.80x = 305,310,854,762,636,032
  5. Step 5: Solve for x
    x = 305,310,854,762,636,032/629,857,639.80
  6. Step 6: Final answer
    x = 484,729,938.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.